Snorkel



FIG. 1 is a perspective view of a snorkel embodying our invention;

FIG. 2 is a front elevational view;

FIG. 3 is a side elevational view looking from the left of FIG. 2;

FIG. 4 is a rear elevational view;

FIG. 5 is a side elevational view looking from the right of FIG. 2;

FIG. 6 is a top plan view; and,

FIG. 7 is a bottom plan view. 

The ornamental design for a snorkel, as shown and described. 